MY124226A - Process and apparatus for treating copper chloride etching waste liquor - Google Patents
Process and apparatus for treating copper chloride etching waste liquorInfo
- Publication number
- MY124226A MY124226A MYPI93000520A MYPI19930520A MY124226A MY 124226 A MY124226 A MY 124226A MY PI93000520 A MYPI93000520 A MY PI93000520A MY PI19930520 A MYPI19930520 A MY PI19930520A MY 124226 A MY124226 A MY 124226A
- Authority
- MY
- Malaysia
- Prior art keywords
- collecting
- tower
- hydrochloric acid
- waste liquor
- etching waste
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
- C01G3/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/03—Preparation from chlorides
- C01B7/035—Preparation of hydrogen chloride from chlorides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/46—Regeneration of etching compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- ing And Chemical Polishing (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A COPPER CHLORIDE ETCHING WASTE LIQUOR (1) IS TREATED BY A PROCESS COMPRISING EXPOSING THE ETCHING WASTE LIQUOR (1) TO AN ATMOSPHERE OF 400 TO 1,200 ?C TO GENERATE CUPRIC OXIDE (11) AND HYDROGEN CHLORIDE, SEPARATING AND COLLECTING THE CUPRIC OXIDE (11), DISSOLVING THE HYDROGEN CHLORIDE INTO WATER (16), AND COLLECTING THE RESULTING HYDROCHLORIC ACID (17), AND AN APPARATUS SUITABLE FOR THE PROCESS COMPRISES A CONCENTRATING TOWER (2) FOR CONCENTRATING THE ETCHING WASTE LIQUOR (1), A ROASTING FURNACE (5) FOR EXPOSING THE CONCENTRATE (4) TO A HIGH-TEMPERATURE ATMOSPHERE TO GENERATE A CUPRIC OXIDE (11) AND A GAS MIXTURE (3) CONTAINING HYDROGEN CHLORIDE, A CYCLONE (12), COOLING TOWER (13) AND ELECTROSTATIC PRECIPITATOR (14) FOR COLLECTING THE CUPRIC OXIDE (11) AND FOR FEEDING THE REMAINING GAS MIXTURE (3) TO THE CONCENTRATING TOWER (2), A HYDROCHLORIC ACID COLLECTING TOWER (15) FOR COLLECTING HYDROCHLORIC ACID COLLECTING TOWER (15) FOR COLLECTING HYDROCHLORIC ACID (17) FROM A GAS MIXTURE (3) DISCHARGED FROM THE CONCENTRATING TOWER (2), AND A GAS CLEANING TOWER (19) FOR NEUTRALIZING THE EXHAUST GAS (18) DISCHARGED FROM THE HYDROCHLORIC ACID COLLECTING TOWER (15).FIGURE 3.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14144992A JP3304397B2 (en) | 1992-06-02 | 1992-06-02 | Method and apparatus for recycling copper chloride etching waste liquid |
Publications (1)
Publication Number | Publication Date |
---|---|
MY124226A true MY124226A (en) | 2006-06-30 |
Family
ID=15292182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI93000520A MY124226A (en) | 1992-06-02 | 1993-03-23 | Process and apparatus for treating copper chloride etching waste liquor |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0574113B1 (en) |
JP (1) | JP3304397B2 (en) |
CN (1) | CN1032584C (en) |
DE (1) | DE69310811T2 (en) |
MY (1) | MY124226A (en) |
SG (1) | SG49189A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100430146B1 (en) * | 2002-02-26 | 2004-05-03 | 한국생산기술연구원 | Cyclone electrolyzer for withdrawing valuable metal in waste water |
CN100378014C (en) * | 2005-02-03 | 2008-04-02 | 黄伟君 | Sewage treating and resource recovering system |
CN100402442C (en) * | 2005-11-17 | 2008-07-16 | 常州市裕和金属材料有限公司 | High-efficient environment treating method for acidic etching waste liquid |
CN100395186C (en) * | 2006-07-31 | 2008-06-18 | 阮玉根 | Method for producing copper oxychloride from circuit board etching waste liquid |
CN104591255A (en) * | 2013-10-31 | 2015-05-06 | 孙立 | Method for preparing micron-sized copper oxide from copper chloride etching waste liquid |
EP2927347A1 (en) * | 2014-04-01 | 2015-10-07 | Sigma Engineering Ab | Oxidation of copper in a copper etching solution by the use of oxygen and/or air as an oxidizing agent |
KR101636936B1 (en) * | 2014-06-16 | 2016-07-08 | (주)화백엔지니어링 | Apparatus for making oxidized copper powder usiing wasted copper chloride liquid |
-
1992
- 1992-06-02 JP JP14144992A patent/JP3304397B2/en not_active Expired - Lifetime
-
1993
- 1993-03-23 EP EP93302202A patent/EP0574113B1/en not_active Expired - Lifetime
- 1993-03-23 SG SG1996007405A patent/SG49189A1/en unknown
- 1993-03-23 MY MYPI93000520A patent/MY124226A/en unknown
- 1993-03-23 DE DE69310811T patent/DE69310811T2/en not_active Expired - Fee Related
- 1993-05-03 CN CN93105459.1A patent/CN1032584C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1082511A (en) | 1994-02-23 |
DE69310811T2 (en) | 1998-01-22 |
JP3304397B2 (en) | 2002-07-22 |
SG49189A1 (en) | 1998-05-18 |
DE69310811D1 (en) | 1997-06-26 |
EP0574113A1 (en) | 1993-12-15 |
EP0574113B1 (en) | 1997-05-21 |
CN1032584C (en) | 1996-08-21 |
JPH073475A (en) | 1995-01-06 |
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